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diff --git a/stand/kboot/hostdisk.c b/stand/kboot/hostdisk.c
--- a/stand/kboot/hostdisk.c
+++ b/stand/kboot/hostdisk.c
@@ -47,6 +47,7 @@
static int hostdisk_ioctl(struct open_file *f, u_long cmd, void *data);
static int hostdisk_print(int verbose);
static char *hostdisk_fmtdev(struct devdesc *vdev);
+static bool hostdisk_match(struct devsw *devsw, const char *devspec);
static int hostdisk_parsedev(struct devdesc **idev, const char *devspec, const char **path);
struct devsw hostdisk = {
@@ -60,6 +61,7 @@
.dv_print = hostdisk_print,
.dv_cleanup = nullsys,
.dv_fmtdev = hostdisk_fmtdev,
+ .dv_match = hostdisk_match,
.dv_parsedev = hostdisk_parsedev,
};
@@ -247,15 +249,59 @@
return (true);
}
-static void
-hostdisk_find_block_devices(void)
+static bool
+hostdisk_fake_one_disk(struct host_dirent64 *dent, void *argp)
{
+ char *override_dir = argp;
+ char *fn = NULL;
+ hdinfo_t *hd = NULL;
+ struct host_kstat sb;
+
/*
- * Start here XXX open SYSBLK, walk through all directories, keep the
- * ones that return a size and a 'block' device when we 'stat' it. Try
- * to avoid partitions and only do raw devices.
+ * We only do regular files. Each one is treated as a disk image
+ * accessible via /dev/${dent->d_name}.
*/
- foreach_file(SYSBLK, hostdisk_one_disk, NULL, 0);
+ if (dent->d_type != HOST_DT_REG && dent->d_type != HOST_DT_LNK)
+ return (true);
+ if (asprintf(&fn, "%s/%s", override_dir, dent->d_name) == -1)
+ return (true);
+ if (host_stat(fn, &sb) != 0)
+ goto err;
+ if (!HOST_S_ISREG(sb.st_mode))
+ return (true);
+ if (sb.st_size == 0)
+ goto err;
+ if ((hd = calloc(1, sizeof(*hd))) == NULL)
+ goto err;
+ hd->hd_dev = fn;
+ hd->hd_size = sb.st_size;
+ hd->hd_sectorsize = 512; /* XXX configurable? */
+ hd->hd_sectors = hd->hd_size / hd->hd_sectorsize;
+ if (hd->hd_size < HOSTDISK_MIN_SIZE)
+ goto err;
+ hd->hd_flags = 0;
+ STAILQ_INIT(&hd->hd_children);
+ printf("%s: %ju %ju %ju\n",
+ hd->hd_dev, hd->hd_size, hd->hd_sectors, hd->hd_sectorsize);
+ STAILQ_INSERT_TAIL(&hdinfo, hd, hd_link);
+ /* XXX no partiions? -- is that OK? */
+ return (true);
+err:
+ free(hd);
+ free(fn);
+ return (true);
+}
+
+static void
+hostdisk_find_block_devices(void)
+{
+ char *override;
+
+ override=getenv("hostdisk_override");
+ if (override != NULL)
+ foreach_file(override, hostdisk_fake_one_disk, override, 0);
+ else
+ foreach_file(SYSBLK, hostdisk_one_disk, NULL, 0);
}
static int
@@ -387,6 +433,23 @@
return ((char *)hd_name(dev2hd(vdev)));
}
+static bool
+hostdisk_match(struct devsw *devsw, const char *devspec)
+{
+ hdinfo_t *hd;
+ const char *colon;
+ char *cp;
+
+ colon = strchr(devspec, ':');
+ if (colon == NULL)
+ return false;
+ cp = strdup(devspec);
+ cp[colon - devspec] = '\0';
+ hd = hostdisk_find(cp);
+ free(cp);
+ return (hd != NULL);
+}
+
static int
hostdisk_parsedev(struct devdesc **idev, const char *devspec, const char **path)
{
@@ -396,9 +459,6 @@
int len;
char *fn;
- /* Must start with /dev */
- if (strncmp(devspec, "/dev", 4) != 0)
- return (EINVAL);
/* Must have a : in it */
cp = strchr(devspec, ':');
if (cp == NULL)
@@ -412,6 +472,7 @@
hd = hostdisk_find(fn);
if (hd == NULL) {
printf("Can't find hdinfo for %s\n", fn);
+ free(fn);
return (EINVAL);
}
free(fn);
diff --git a/stand/kboot/main.c b/stand/kboot/main.c
--- a/stand/kboot/main.c
+++ b/stand/kboot/main.c
@@ -192,9 +192,12 @@
#if defined(LOADER_ZFS_SUPPORT)
if (strcmp(bootdev, "zfs:") == 0) {
/*
- * Pseudo device that says go find the right ZFS pool.
+ * Pseudo device that says go find the right ZFS pool. This will be
+ * the first pool that we find that passes the sanity checks (eg looks
+ * like it might be vbootable) and sets currdev to the right thing based
+ * on active BEs, etc
*/
- printf("WARNING: bare 'zfs:' for boot device not yet implemented\n");
+ hostdisk_zfs_find_default();
}
#endif

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